This Structural Metal Base Kit is designed to effortlessly add height to your 44 in. Grand Meridian Fire Box. The kit includes a metal base, insulation blanket, ember protector strips, and hardware that allows you to support your fireplace for additional height. This kit provides a 6 in. high metal base that supports the entire masonry firebox, while adding interest to the structural support. This makes your fireplace look bigger, especially if you have high ceilings and don't want your fireplace to be dwarfed by a large room.